In recent years, the issue of urbanization has brought numerous problems to city life. While some believe that the increasing number of cars is the primary issue cities face today, others argue that there are more serious issues. 38 The increasing number of cars could lead to health problems. It is widely known that air is crucial to human’s lives. The increasing number of cars contribute to air pollution, which could cause environmental problem and deteriorate people’s health. The car emmision contains poisonous substances and elements which could directly harm people’s lung and other organs through breathing. Therefore, the emmision of cars could cause air pollution in the city which could lead to a series of physical problems. In addition, the problem of traffic jam in the city could be aggravated because of the increasing cars. Congestion gridlock is a common problem in most urban areas, especially during commuting hours and holidays. Thus, people’s life could be affected by the...